is42sm32800e-75bli Integrated Silicon Solution, Inc., is42sm32800e-75bli Datasheet - Page 28

• Manufacturer Part Number: is42sm32800e-75bli
• Description: 2m X 32bits X 4banks Mobile Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

Rev. 00B | Aug. 2011
Table12: AC Characteristic (AC operation conditions unless otherwise noted)
CLK Cycle Time
Access time from CLK (pos. edge)
CLK High-Level Width
CLK Low-Level Width
CKE Setup Time
CKE Hold Time
/CS, /RAS, /CAS, /WE, DQM Setup Time
/CS, /RAS, /CAS, /WE, DQM Hold Time
Address Setup Time
Address Hold Time
Data-In Setup Time
Data-In Hold Time
Data In Hold Time
Data-Out High-Impedance Time
from CLK (pos.edge)
Data-Out Low-Impedance Time
Data-Out Hold Time (load)
Data-Out Hold Time (no load)
ACTIVE to PRECHARGE command
PRECHARGE command period
ACTIVE bank a to ACTIVE bank a command
ACTIVE bank a to ACTIVE bank b command
ACTIVE to READ or WRITE delay
READ/WRITE command to READ/WRITE
command
WRITE command to input data delay
Data-in to PRECHARGE command
Data-in to ACTIVE command
DQM to data high-impedance during READs
DQM to data mask during WRITEs
LOAD MODE REGISTER command to ACTIVE
or REFRESH command
Data-out to high-impedance from
PRECHARGE command
Last data-in to burst STOP command
Last data-in to new READ/WRITE command
CKE to clock disable or power-down entry
mode
CKE to clock enable or power-down exit
setup mode
Refresh period (8,192 rows)
AUTO REFRESH period
Exit SELF REFRESH to ACTIVE command
Transition time
b
k
Parameter
b
k
CL = 3
CL = 2
CL = 3
CL = 2
CL = 3
CL = 2
CL = 3
CL = 2
d
tROH3
tROH2
tCKED
tDWD
Sym
tDQM
tMRD
tCMS
tCMH
tOHN
tDQZ
tAC3
tAC2
tCKH
tHZ3
tHZ2
tRAS
tRRD
tRCD
tCCD
tDAL
tBDL
tCDL
tPED
tXSR
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tCK3
tCK2
tCKS
tDPL
tREF
tRFC
tDH
tDH
tOH
tCH
tAS
tAH
tDS
tRP
tRC
tCL
tLZ
tT
Min
6.0
2.5
2.5
1.5
1.0
1.5
1.0
1.5
1.0
1.5
1 0
1.0
1.0
2.5
1.8
0.5
10
42
18
60
12
18
15
30
80
80
1
0
2
0
2
3
2
1
1
1
1
-6
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6
Max
1000
100K
5.5
5.5
1.2
64
8
8
Min
22.5
67.5
22.5
37.5
7.5
2.5
2.5
2.0
1.0
2.0
1.0
2.0
1.0
2.0
1 0
1.0
1.0
2.5
1.8
0.5
10
45
15
15
80
80
1
0
2
0
2
3
2
1
1
1
1
-75
75
Max
1000
100K
1.2
64
6
8
6
8
IS42/45SM/RM/VM32800E
Unit
CLK
CLK
CLK
ms
ns
ns
ns
Note
Advanced Information
1
2
3
3
4
5
6
6
7
7
6
6
8
6
6
6
9
9
5
5
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